Finding the Fourth Proportional to 584,235.18, 806,239.98 and 315,963.18
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Solution
The fourth proportional to 584,235.18, 806,239.98 and 315,963.18 is: 436,026.72
Step by Step Solution
- Step 1: Write the proportion equation
584,235.18 : 806,239.98 = 315,963.18 : x - Step 2: Convert to fraction form
584,235.18/806,239.98 = 315,963.18/x - Step 3: Cross multiply
584,235.18x = 806,239.98 × 315,963.18 - Step 4: Simplify right side
584,235.18x = 254,742,147,923.94 - Step 5: Solve for x
x = 254,742,147,923.94/584,235.18 - Step 6: Final answer
x = 436,026.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.